A GUIObjectView object.
Avatar_Preview.dump(); important functions:
.hideNode(object name, node name)
.setnodecolor(object name, node name, color4 ("R G B A") color)
.loadDSQ(object name, filepath dsq)
.mountobject(object name, filepath model, (filepath?) skin, parentName, nodeName, lod)
.setObject(object name, filepath model, (filepath?) skin)
In your case, setObject(1,"base/data/shapes/player/m.dts","add-ons/shapes/blank.png");, followed by a lot of hidenodes.